import java.awt.Container;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.Spring;
import javax.swing.SpringLayout;
public class MainClass {
public static void main(String[] args) {
JFrame aWindow = new JFrame("This is a Spring Layout");
aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
aWindow.setSize(500,500);
SpringLayout layout = new SpringLayout();
Container content = aWindow.getContentPane();
content.setLayout(layout);
JButton[] buttons = new JButton[6];
SpringLayout.Constraints constr = null;
for(int i = 0; i < buttons.length; i++) {
buttons[i] = new JButton("Press " + (i+1));
content.add(buttons[i]);
}
Spring xSpring = Spring.constant(5,15,25);
Spring ySpring = Spring.constant(10,30, 50);
constr = layout.getConstraints(buttons[0]);
constr.setX(xSpring);
constr.setY(ySpring);
for(int i = 1 ; i< buttons.length ; i++) {
constr = layout.getConstraints(buttons[i]);
layout.putConstraint(SpringLayout.WEST, buttons[i],
xSpring,SpringLayout.EAST, buttons[i-1]);
layout.putConstraint(SpringLayout.NORTH, buttons[i],
ySpring,SpringLayout.SOUTH, buttons[i-1]);
}
aWindow.setVisible(true); // Display the window
}
}